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2. Self-contained breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Self-contained_breathing...

   A self-contained breathing apparatus (SCBA) is a respirator worn to provide an autonomous supply of breathable gas in an atmosphere that is immediately dangerous to life or health from a gas cylinder. [1] They are typically used in firefighting and industry.

3. Immediately dangerous to life or health - Wikipedia

   en.wikipedia.org/wiki/Immediately_dangerous_to...

   Personal protective equipment for IDLH conditions: pressure-demand self-contained breathing apparatus with a full facepiece. If the concentration of harmful substances is IDLH, the worker must use the most reliable respirators. Such respirators should not use cartridges or canister with the sorbent, as their lifetime is too poorly predicted. In ...

4. Breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Breathing_apparatus

   An atmosphere-supplying respirator is a breathing apparatus that supplies the user with breathing gas from a source independent of the ambient atmosphere, such as supplied-air respirators (SARs) and self-contained breathing apparatus (SCBA). [5] A self-contained breathing apparatus (SCBA) is a type of atmosphere-supplying breathing apparatus in ...

5. Respirator - Wikipedia

   en.wikipedia.org/wiki/Respirator

   The term self-contained means that the SCBA is not dependent on a remote supply of breathing gas (e.g., through a long hose). They are sometimes called industrial breathing sets. Some types are also referred to as a compressed air breathing apparatus (CABA) or simply breathing apparatus (BA).

6. Self-contained self-rescue device - Wikipedia

   en.wikipedia.org/wiki/Self-contained_self-rescue...

   Test bench for a miner's closed circuit self-rescuers. A self-contained self-rescue device, SCSR, self-contained self-rescuer, or air pack is a type of closed-circuit SCBA [1] with a portable oxygen source for providing breathable air when the surrounding atmosphere lacks oxygen or is contaminated with toxic gases, e.g. carbon monoxide.

7. Escape breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Escape_breathing_apparatus

   Escape breathing apparatus are a class of self contained atmosphere supplying or air purifying breathing apparatus for use in emergencies, intended to allow the user to pass through areas without a breathable atmosphere to a place of relative safety where the ambient air is safe to breathe. These are ambient pressure systems, and include:

8. Supplied-air respirator - Wikipedia

   en.wikipedia.org/wiki/Supplied-air_respirator

   It uses an air hose to supply air from outside the danger zone. It is similar to a self-contained breathing apparatus (SCBA), except that SCBA users carry their air with them in high pressure cylinders, while SAR users get it from a remote stationary air supply connected to them by a hose. [1]

9. Rebreather - Wikipedia

   en.wikipedia.org/wiki/Rebreather

   Davis apparatus, Self-contained breathing apparatus, Escape hood A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content, and unused inert content when present, of each breath.